Pyrotechnic device.



A. JEDEL.

PYBO'IBOHNIO DEVICE. APPLICATION FILED AUG: s, 1913.

4 999 Patented Apr. 28, 1914.

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Wbtueooeo AARON JEDEL, or NEW YORK, N. x.

rYno'rEoHNIo DEVICE;

Specification of Letters Patent.-

Patented Apr. 28, 1914.

Application filed August 8, 1913. Serial m3. 7sa;a12.

T all whom it may concern:

- Beitknown that I, AARON JEDEL, a 'citi- 'zen of the United States, residing at New ments in pyrotechnic devices, and has for eggs for. the production of :Pharaohsi snakes so called, as well as'the process-11f particles of which are bound together by the addition of a small amount'of glue or other; 1

its object the production of devices or producing the same, and 'thecompositioii of matter of which these are composed;

In the production of Pharaohssnakes as ordinarily carried out, prior-to. my invention, it has been the practice to use mercuric sulfocyanid' or thiocyanate, Hg (SCN) the adhesive. The slurry of-this material, glue, and Water, is run into smallmolds in which the solid material separates out, and after drying {in the molds, more or less thoroughly, the molded pieces (usually cone sha ed) are removed from the molds and pac aged for the market. These are ordinarily called snake eggs. These molded pieces (snake eggs) as made heretofore,' are very easily broken by handling, having very lit'tlestrength, and if placed one dozen in a against another.

box, as is usuallydone, they will generally,

crumble 'moite or less, by rubbing, one They cannot withstand, ordinarilysuch,pressure as would normally be exerted by pinching the same between'the thumb and fingers, but would be mostly broken up by a such treatment.

In preparing my articles, I preferably proceed as follows; mixture of, for example, mercuric sulfocyanid' 90' parts by weight, talc (powdered), 6 parts by weight,

precipitated chalk, & parts by. weight,

(which proportions may be varied, if do sired) is made,- preferably in any approved 7 form of mixing device, in which thejmaterials come into contactwith the air. The

sulfocyanid being. hygroscopic absorbs some Water from the air,'sufficient tomake-the" mass gran'ulate more or less, but not sufli-' cient to'produ'ce a wet appearing, or muddy mass, but'on the contrary the mass appears to be dry. and somewhat granular. This is then-.- fed to molds inwhich the mixture is molded. under considerable pressure, into eggs of the desired shape and size, to produc a snake or other similarly. formed; object.

' The eggs produced according to my ipr'ocess are verymuch harder than those Emadefby the prior processes; 'They cannot ;becrushed between the fingers, and in packiagesdo not break. or grind each. other up to I'any appreciable extent, during such'handling as is common. Packages of these may "be carried for, some {time in the" pocket, without this inconvenience and in ordinary shipment it is not necessary, or even, advis'able-to wrap each in tissue paper to .prevent breakingy r In the accompanying drawing, forminga partof'this specification, I have given, by way of illustration, several shapes which I. findto give particularly striking results.

I In'said' drawings, Figures 1, 2, 3 and 4 represent frontelevations of four different forms ofsnake eggs made inaccordance with my' invention, and Figs. 5,. 6 and 7' represent side orend, -eleyations .of three different forms which may be used. v

The invention herein is not limited to tion in'this art, not merely as asupport, but

to keep the bulk of'the material up a short distance" from the supporting surface on ,hich theyareplaced during the burning peration, in order to allowthe' entire mass of material to be readily consumed, and also these legs themselves burn and produce legs orltails on the fihishedfl s'nakef tomake Oneleg only may beprovided, near one end of-ftlieggbase, or near the middle, .which will raise nearly' allfthe bottom surface'of the egg from'fthe surface on which the egg, is burned.

" gBysuitablyfshapingthe articles or ."eggs I can; produce shapes somewhat resembling horses, crocodiles, and others. The snakes or other shapes, produced by burning these articles, have' a somewhat different appearance from those produced from the 5 eggs previously known, -'in.;that' they have a darker color, a sort of yellowish brown, with a eoppery tint, and quite a brilthese shapes, since other shapes may be used,

the saine have; agrather striking- .appearance.

liant surface, which has a rather scaly appearance, much more so than the snakes producedffrom the eggs previously known.

sounds, peculiar odors, etc., Without dc parting. from the spirit of my invention.

' The term egg as used in the appended claims, is intended to refer to combustible pyrotechnic devices of the kind referred to in this specification. v

What I claim is 1. A pyrotechnic egg having a hardness 'sufiicient to make it practically impossible to crush the same between the fingers, said egg being composed of a mixture of materials including'mercuric sulfocyanid, and an inert,

non-combustible, inorganic'material.

2. As an article of manufacture, a pyrotechnic composed of amixture including mercuric sulfocyanid, chalk and talc.

3; As an article of manufacture, a pyrotechnic composed of a mixture including mercuric sul-foeyanid, chalk and talc, the two latter, in combined amount representing only a minor proportion of the entire product.

. 4. As an article of manufacture, a pyrotechnic composed of a mixture including mercuric sulfocyanid, chalk and talc, the sulfocyanid being present as about 90% of the entire product. v

5. An article of manufacture comprising a pyrotechnic egg, composed of a mixture containing mercuric sulfocyanid, 90%; powdered talc, 6%; and chalk 4:%. Y

6. An article of manufacture comprising a pyrotechnic egg, composed of a mixture containing mercuric sulfocyanid, 90%;

Witnesses f powdered talc, 6% and chalk 1%, said pyroture including mercuric sulfocyanid, chalk and talc having a hardness sufiicient to make it practically impossible to crush the same between the fingers.

. 8. An irregularly surfaced pyrotechnic egg provided with a leg composed of mercuric sulfocyanid, 90%; tale, 6%; and chalk 4%, approximately.

9. A method of making pyrotechnic eggs,

which comprises compressin into a mold of suitable form, a mixture o materials including mercuric sulfocyanidand an inert,

non-combustible, inorganic material, such as will form a firm coherent product having a degree of hardness sufficient to. render it practically impossible tovcr ush said eggs, by such pressure as can ordinarily be exerted bet-Weenthefingers.

10. A method of making pyrotechnic eggs Which comprises compressing a mixture comprising mercuric sulfocyanid, talc, and chalk, into molds of appropriate form and applying sufiicient pressure to the mixture in the molds, to producean egg hav.-- ing sujiicient strength to prevent crushing by such an amount of pressure as can ordinarily be applied by pinching between the fingers. r

1.1. A' method of making pyrotechnic eggs which comprises compressing a mixture comprising mercuric sulfocyanid, talc and chalk, in the proportions of about 90:6 :4; into molds of appropriate form and applying sufficient pressure to the mixture in the molds, to produce an egg having sufli- "cient strength to-p'revent crushing by such ,an' amount of pressure as can ordinarily be applied by pinching between the fingers.

In testimony whereof I aflix my signature in presence of two witnesses.

AARON JEDEL,

FANNIE J EDEL, MATHILDA J EUEL.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. G. 

